Ok. My change to PMF.java to synchronize the get of the PersistenceManager did NOT correct the problem.
Going to fallback to synchronizing every usage of the PersistenceManager (reads and writes). <sigh/> Will update this issue with any further results. On May 17, 1:54 am, Stephen Johnson <[email protected]> wrote: > Ah, I missed the point about it being tasks and didn't realize the > threadsafe only applied to user requests and not tasks. If indeed that was > the case. > > > > On Mon, May 16, 2011 at 10:44 PM, Juha K <[email protected]> wrote: > > The datanucleus issue has a comment "Then, when my tasks run in parallel, > > initialisation has already been done and the problem doesn't appear any > > more.", so before the threadsafe property, only tasks were run in parallel. > > Probably that's why I didn't see this error before, I didn't have tasks > > doing db access. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google App Engine for Java" group. > > To post to this group, send email to > > [email protected]. > > To unsubscribe from this group, send email to > > [email protected]. > > For more options, visit this group at > >http://groups.google.com/group/google-appengine-java?hl=en. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
